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GeForce GTX 650 Ti 2GB vs Radeon HD 7750

Intro

The GeForce GTX 650 Ti 2GB uses a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 memory is set to run at a frequency of 1350 MHz on this specific model. It features 768 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 7750, which has core speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 512 SPUs along with 32 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 55 Watts (100%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti 2GB is 20% faster than the Radeon HD 7750 in general, due to its higher bandwidth. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The GeForce GTX 650 Ti 2GB will be quite a bit (approximately 132%) more effective at anisotropic filtering than the Radeon HD 7750. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 33792 (132%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 650 Ti 2GB is the winner, though not by far. (explain)

GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 2048 (16%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon HD 7750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 650 Ti 2GB Radeon HD 7750
Manufacturer nVidia AMD
Year October 2012 February 2012
Code Name GK106 Cape Verde Pro
Memory 2048 MB 1024 MB
Core Speed 928 MHz 800 MHz
Memory Speed 5400 MHz 4500 MHz
Power (Max TDP) 110 watts 55 watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 59392 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 768 512
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 1500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.3 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon HD 7750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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